I followed the signing process document to sign the simplified invoice. However, when I validate the signed XML using the sandbox validator, I receive the following validation error: but the same signed xml is validated successfully for standard invoice. Errors category : SIGNATURE_ERROR **co…

Dear @Biplab1 validating Simplified Invoice on web-based validator will always show signature error as web validator validates using a certificate different from the one used for signing Simplified Invoice. Therefore, validating Simplified Invoice using web-based validator will give a certificate va…

Check earlier post on similar topic [image] Signed and reported B2C xmls not validated with web based validator SDK, web-based validator and sandbox @Ankit.K.Tiwari @Aturkistani we are still waiting for the reply, can you please check and help us on priority.

[image] Ankit.K.Tiwari: Dear @Biplab1 validating Simplified Invoice on web-based validator will always show signature error as web validator validates using a certificate different from the one used for signing Simplified Invoice. Therefore, validating Simplified Invoice using web-based validato…

@Biplab1 Sandbox portal has a static CSID and it is not meant for testing using your PCSIDs. If you wish to test using your own PCSID, please onboard PCSID on Simulation Environment and test it there.

Dear @Ankit.K.Tiwari , Thanks for your response. when i do compliance check for simplified invoice in sandbox mode ,i get response as Reported but for reporting api i get validation error can you please guide to resolve this.

Dear @Ankit.K.Tiwari , I have generated Ccsid and Pcsid in sandbox environment. can i test simplified invoice reporting in sandbox environment ?

Dear @Biplab1 , as it was stated by @Ankit.K.Tiwari , you should not use SandBox environment for validation and you should not use it at all. Short history: when ZATCA released first version of API they had only production environment and sandbox. The sandbox does not allow you to generate certific…

Dear @sergei.shishov , When I sign the simplified invoice using the official SDK command, the reporting API responds successfully with a status of Reported. However, when I sign the same invoice manually by following the steps outlined in the SigningProcessUpdated.pdf document, the reporting API re…

Dear @Biplab1 , unfortunately I cannot help you here. It seems you have some mistake in your signing process. We ourselves are using self-written python SDK and do not have any issues now. It took us a lot of time to fix all the issues in signing, onboarding, applying workarounds etc… It seems you …

Dear @sergei.shishov , Thanks for your quick response.

Simplified signed xml validation issue

Signing process

Ankit.K.Tiwari July 24, 2025, 3:12pm 3

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Simplified signed xml validation issue

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